Qorvo parts.. nice.

vielen dank sehr guter Vortrag für Einsteiger 73 Uli dl2dbg

great talk!

Felicitari pentru realizare, Adrian. 73 de YO3MFL!

I find myself coming back to this, 2 years later! 😂 I need to understand the details of the PCIe DMA use. 🤔

Support for Fobos SDR for VHF/UHF would be fantastic.

Super. Danke. 73 de DK8GM

Super. Danke. 73 de DK8GM

*GNU Radio Project Update: SDRA'24* * *0:07** Introduction and Releases:* Josh Morman, president of GNU Radio, discusses the project's consistent quarterly release cycle for bug fixes and features (e.g., 3.10.10 in April, upcoming summer release). VOLK, integral for computation, also saw several releases. * *1:19** Ubuntu Integration:* GNU Radio 3.10.9.2 is included in Ubuntu 24.04 LTS, making it easily accessible via `apt-get`. Installation through package managers is generally recommended. * *1:55** Cross-Platform Installation (Windows/Mac):* GNU Radio conda offers a solution for Windows and Mac users, although native, signed binaries and out-of-tree module support are under development. * *2:43** Usability Enhancements (ARDC Grant):* An ARDC grant is driving various usability improvements. * *Native Binaries:* Kitware is contracted to develop signed Windows and Mac installers for easier installation, anticipated to be available soon on gnuradio-dot-org. * *Issue Tracker Cleanup:* Marcus Mueller is leading efforts to improve the issue tracker's accuracy by triaging and resolving outdated or irrelevant entries. * *GNU Radio Companion - Qt (GRC - Qt):* GRC now utilizes Qt, offering a more maintainable framework compared to GTK. It also enables web browser integration for GRC, expanding accessibility. * *Documentation and Tutorials (NumFOCUS Grant):* Wave Walker DSP's work forms the basis of the Wiki tutorials, which are being updated with the latest GNU Radio information. In-tree examples are being aligned with the tutorials. * *Documentation Infrastructure:* Bailey Campbell is developing a new documentation infrastructure, enabling versioning and tighter integration with the codebase, particularly beneficial for GR 4.0. * *GR 4.0 Packet Modem Example:* Danny Estes is working on a packet modem example showcasing GR 4.0's performance enhancements for modem development. * *8:14** GRC - Qt and Google Summer of Code:* GRC - Qt is actively developed, inviting community contributions. Two Google Summer of Code students are contributing: * Kayla Comr is improving GRFC, incorporating advantages of other FEC packages. * Zachi Heran is working on modularizing GRC for greater flexibility and integration of diverse workflows beyond Python and C++. * *10:00** GNU Radio 4.0 Development:* * Driven by Ralph Steinhagen's team at FAIR GSI. * Features modularity, heterogeneous compute, and distributed architectures, along with enhanced usability. * Modernized core offers type strictness, new scheduling paradigms (work scheduling over microservices), arbitrary buffer types, and synchronous packet scheduling. * *13:52** GR 4.0 Roadmap:* GNU Radio 3.x will continue to be actively maintained. GR 4.0 will incorporate concepts from the earlier prototype and FAIR's modernized core. * *14:38** European GNU Radio Day (EGRD):* * August 27-30 at FAIR, Darmstadt, Germany. * Focuses on GR 4.0 with tutorials, block development, a coding party, keynote talks, and technical presentations. * Keynote speakers include Eric Blossom (GNU Radio founder) and Johan Mesrop (FAIR researcher). * *16:44** GNU Radio Conference (GRCon 24):* * September 16-20 in Knoxville, Tennessee. * Week-long event with tutorials, social activities, and a main track (September 17-20). * Call for Participation open until July 8th, seeking presentations, papers, posters, workshops, and breakout sessions. * Keynote speakers: Jack Dongarra (high-performance computing pioneer), Shar Shanian (signal processing expert, Nokia Bell Labs), and Phil Erickson (director of MIT Haystack). * *19:35** Miscellaneous Updates:* * Organizations using GNU Radio are invited to submit their logos for display on the website. * GNU Radio's all-volunteer organization utilizes teams and interest groups, including General Assembly, GR 4.0, GRC, VOLK, documentation, GRCon/events, infrastructure, and education/training. * Community involvement is encouraged. * *21:34** Resources and Contact:* Information available at gnuradio-dot-org, wiki.gnuradio-dot-org, KZbin channel, mailing list, and Matrix chat. I used gemini-1.5-pro-exp-0827 on rocketrecap dot com to summarize the transcript. Cost (if I didn't use the free tier): $0.03 Input tokens: 19293 Output tokens: 985

Any thoughts on LimeSDR?

It is always nice to see a talk by Rob Robinett, especially if about that nifty software by Phil Karn KA9Q.

31:11 Studying propagation with these WSPRsondes is a pretty slick project. Note how precise and clean those transmitted signals are!

Title in Englosh, and only title.

This is the best film of DCF77. I have developed my version of the receiver for my university exercise in Gdańsk in 1993 r. I have worked out an algorithm to synchronise aquarelle directly to the phase of DCF77 currier RF. I have found some teoretical problems with random phased shifted modulation. I can see that not only me has problem with this.

Must find links to previous talks!

... откровения начинающего DSP шника.

Ein sehr informatives Video.

Hello from Ukraine💛💙

17:00 Fehler bei USB2, das sind nicht 480 kBit/s sondern 480 MBit/s

Inspectrum crshes when i try to add plots.

Great presentation, thank you for posting it!

sehr schade, daß ca. ab Minute 17 die Folien nicht mehr gut zu erkennen sind.

I have a signal that goes over tcp connection but it is really laggy. Would you know how to fix it? I use zmq blocks and tcp source and sink but still big lag problem

John - Thank you so much for sharing your amazing work. I have built 2 RaspberryPi's running piHPSDR, one with touchscreen and one without ( I remote desktop into the latter). Their performance is truly impressive.

What is current state of this project?

Vielen Dank für den Vortrag! Sehr schön gemacht.

Why is the sampling rate 2MHz?

Is the GNURadio GRC file available?

ну вот, а то все море копать да море копать

GRCon19 - Exponent: Arbitrary Bandwidth Receiver Architecture by Dana Sorensen

kzbin.info/www/bejne/b5eZlGmBgp6Ba9E

Should the receivers be somehow synchronized in time? Also is the code available?

*Summary* *Introduction and Background* - 0:11: Introduction to experiences on Bluetooth SDR, digital ATV, and FPGA tricks. - 0:21: Speaker is Evariste Courjaud, a ham radio operator since 1986, with 15 years in digital TV and a software developer in C/C++. - 0:44: Discussion about the Crypto SDR platform, worked on for three years. - 1:00: Mentioned a past project, low-cost transmitter using Raspberry Pi GPIO; it’s still active. - 1:34: Self-identified as more of a hacker than a DSP guru; mainly focuses on hardware-specific features. *Pluto SDR Capabilities and Setup* - 2:15: Talks about features and capabilities of Pluto SDR, targeting embedded platforms over PC. - 2:30: Goals include removing bottlenecks like USB bandwidth, offloading DSP, and standalone usage. - 3:08: Describes hardware setup for embedded Pluto, including a battery pack, USB hub, and Wi-Fi. - 4:09: Briefly outlines the internals of Pluto SDR, including FPGA and ARM CPU. *Firmware and FPGA* - 4:50: Discusses firmware components: U-Boot, Linux systems, FPGA bitstream, and software. - 5:30: Moves on to the FPGA stage, developed with Xilinx tools. - 6:24: Talks about FPGA possibilities: offloading processes, adding FFT, interpolation, etc. *Linux Customization and Software* - 8:59: Switches to Linux customization, like treating Pluto as a sound card and adding support for various USB peripherals. - 10:50: Discusses extending Pluto’s lower frequency limit to 17 MHz. - 11:51: Final stage focuses on software. Describes a sweep FFT for wideband spectrum analysis. - 12:46: Uses quick/fast lock tuning for rapid frequency changes. *Project Examples and Proof of Concept* - 17:14: Discussing RF coverage of the sun [maybe surroundings?] of the station - 17:20: Talks about using this for antenna pattern mapping - 17:27: Mentions this is a proof of concept - 17:34: Describes a DVB-S2 receiver with mini tuner on Windows - 17:51: Mini tuner connected to USB hub of a printer - 18:00: Uses Longmind Linux software forked for MQTT compatibility - 18:16: Phone receives video via Wi-Fi using VLC *Advanced Topics and Future Plans* - 18:31: Notes that DVB-S2 modulator is done on FPGA, not CPU. Using Open Research Institute's FPGA IP. - 18:50: Highlights the high symbol rate capability (up to 40 mega symbols) - 19:26: Mentions DATV firmware developed two years ago, popular for Q100DV uplink - 19:54: Web interface makes it easy to use - 20:10: Talks about future plans, including VNA and security features - 20:44: Says improvements depend on contributions and audience interest *Further Development and Training* - 20:58: Discusses different stages for firmware, software, and FPGA customization - 21:39: Suggests a two-day training for better understanding *Acknowledgements* - 22:00: Thanks Analog Devices, Nuts and Granules, and Open Research Institute for contributions Speakers github: github.com/F5OEO/ Disclaimer: I used the transcript and various prompts with GPT-4 to create this summary.

Amazing! I particularly like the fast tuning and 600MHz wide waterfall.

Fantastic presentation and amazing work, thank you!

Rev C also has the MIMO capabilities.

Fucking amazing. ❤❤❤

The Hemes-Lite 2 QRP Ethernet SDR HF Transceiver uses NR0V Noise Reduction and DSP Algorithms ! my thoughts....... The Open Source GitHub Project Radio, the Hermes-Lite 2+ SDR Ethernet LAN/WAN QRP transceiver unit puts the FlexRadio to shame for it’s enhanced Noise Reduction DSP features and capabilities in the Thetis/PowerSDR/SDR-Console platforms that use the Warren Pratt NR0V NR and DSP function algorithms ! There is constant development on the HL2 versus say the more expensive FlexRadio for its low cost, open source architecture and new features that have greatly exceeded FlexRadio DSP and Noise Reduction capabilities. FlexRadio is really only doing new development for government contracts and ignoring the Ham Radio market for SDR transceivers, that a long drawn story, sad to say. The Hermes-Lite 2 12Bit A/D in has less Dynamic Range than the 16Bit A/D of the FlexRadio, is a thick client radio versus the thin client FlexRadio but for $295 from MakerLabs, the Hermes-Lite 2 ( HL2) open source SDR transceiver is phenomenal for the cost for a SDR transceiver at 1/10th the cost of a FlexRadio SDR transceiver

Can I implement direct Fourier sampling across multiple threads using the Async runtime ?

Very nice. Thank you. Can async runtimes be distributed over different cpus ?

Der Vergleich digial und analog - das Beispiel mit dem Videobild zu Beginn, kann man eigentlich so nicht bringen. Analog kann man irgendwie sehen wenn es schlechter wird und es gibt quasi im Vgl zu digital keine Latenzzeiten, während digital Aussetzer in Audio und Video produziert (was Sie hier nicht erwähnt haben), bevor das Signal ganz verschwindet. Digital = wenn Störungen, dann gar kein Signal mehr oder Aussetzer genau dann, wenn man sie nicht braucht. Man kann sich die Welt auch schön reden.

You read my mind just now....!! I agree, Franco!! FANTASTIC!!

What a pity Minerva proved to be an unviable project. I have just bought an Hermes card from Apache Labs on a special production run. Thanks to Abhi for making it as he did it at cost. I am very appreciative as no other business I know would do that. It was even cheaper than Red Pitaya.

Excellent talk!

Very interesting SDR architecture development and excellent presentation!